1 /* hard-locale.c -- Determine whether a locale is hard.
2 Copyright 1997, 1998, 1999 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
49 /* Return nonzero if the current CATEGORY locale is hard, i.e. if you
50 can't get away with assuming traditional C or POSIX behavior. */
52 hard_locale (int category)
54 #if ! (defined ENABLE_NLS && HAVE_SETLOCALE)
59 char const *p = setlocale (category, 0);
63 # if defined __GLIBC__ && __GLIBC__ >= 2
64 if (strcmp (p, "C") == 0 || strcmp (p, "POSIX") == 0)
67 char *locale = alloca (strlen (p) + 1);
70 /* Temporarily set the locale to the "C" and "POSIX" locales to
71 find their names, so that we can determine whether one or the
72 other is the caller's locale. */
73 if (((p = setlocale (category, "C")) && strcmp (p, locale) == 0)
74 || ((p = setlocale (category, "POSIX")) && strcmp (p, locale) == 0))
77 /* Restore the caller's locale. */
78 setlocale (category, locale);